Computer Science - Object Oriented Programming Using C++
Exercise :: Object Oriented Programming Using C++ - Section 7
| 26. |
The String data type is an extension of the _____ data type |
Answer: Option A
Explanation:
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| 27. |
An advantage of using local variables is that _____ |
| A. |
they are known to all functions in the file | | B. |
names used in one function do not affect data stored in variables with the same names in other functions | | C. |
values given to local variables are retained when those parameters go out of scope | | D. |
the program does not become "crowded" with too many variable names |
Answer: Option D
Explanation:
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| 28. |
The difference between a return and a throw is that _____ |
| A. |
with a throw, no value can be sent | | B. |
with a return, no value can be sent | | C. |
with a throw, execution takes place at the location from which the function was called | | D. |
with a return, execution takes place at the location from which the function was called |
Answer: Option D
Explanation:
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| 29. |
Which is a good reason for passing a variable's address to a function? |
| A. |
the function will have a copy of the variable | | B. |
the function cannot change the value of the variable in the calling function | | C. |
C++ requires that all variables used in a function be passed by address | | D. |
the function needs to change multiple variable values | | E. |
the called function can change the value of the variable in the calling function |
Answer: Option E
Explanation:
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| 30. |
The string HELLO WORLD needs |
| A. |
11 bytes | | B. |
12 bytes | | C. |
10 Bytes | | D. |
8 bytes | | E. |
None of the above |
Answer: Option A
Explanation:
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